Last week's slew of injuries likely hit many fantasy football owners hard. Bears RB Matt Forte (knee) is out against the Chargers on Monday night, Colts WR T.Y. Hilton (foot) is a gametime decision against the Broncos after missing practice all week and Jets WR Brandon Marshall (toe, ankle) is questionable ahead of Sunday's matchup against the Jaguars, just to name a few.

Should you plug in these questionable players no matter what? Are you struggling to figure out replacement options for players who are you? Don't worry, SI.com's fantasy expert Michael Beller is here provide you with fantasy advice and answer any last-minute start or sit questions. Reach out to him on the @SI_Fantasy Twitter account, or just follow along below, starting at 10 a.m. ET. ​For a more in-depth look, check out his Week 9 cheat sheet.